Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

1. A utility company serves 50,000 households. As part of the survey of customer attitudes, they take the simple random sample of 750 of such households. The average number of television sets in sample households turns out to be 1.86, and SD is 0.80. If possible, find out a 95% confidence interval for average number of television sets in all 50,000 households. If this isn't possible, describe why not.

2. Out of the 750 households in survey of the previous exercise, 451 have computers. If possible, find out a 99.7% confidence interval for percentage of all the 50,000 households with computers. If this isn't possible, describe why not.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M923006

Have any Question? 


Related Questions in Statistics and Probability

Research objectives to explore correlations between reward

Research Objectives To explore correlations between reward systems and team work attributes in the Saudi Arabian bank sector To explore relationships between reward systems and team work effectiveness in the Saudi Arabia ...

Question to qualify for security officers training recruits

Question: To qualify for security officers training, recruits are tested for stress tolerance. The scores are normally distributed with a mean of 62 and a standard deviation of 8. If only the top 15% of recruits are sele ...

What was the highest point of the popes power and what was

What was the highest point of the pope's power and what was the lowest point?

Random and independent samples of 80 recent prime time

Random and independent samples of 80 recent prime time airings from each of two major networks have been considered. The first network aired a mean of 110.7  commercials during prime time, with a standard deviation of 4. ...

In retrospect how might the united states under the truman

In retrospect, how might the United States under the Truman administration have handled the situation differently? How would you characterize the current situation and how might our relationship with the largest survivor ...

A repeated-measures experiment comparing only two

A repeated-measures experiment comparing only two treatments can be evaluated with either a t statistic or an ANOVA. As we found with the independent-measures design, the t test and the ANOVA produce equivalent conclusio ...

Recall that very satisfied customers give the xyz-box video

Recall that "very satisfied" customers give the XYZ-Box video game system a rating that is at least 42. Suppose that the manufacturer of the XYZ-Box wishes to use the 65 satisfaction ratings to provide evidence supportin ...

The borda and condorcet methods- the following example was

The Borda and Condorcet Methods :- The following example was presented by Condorcet, in a critique of the Borda Method. A committee composed of 81 members is to choose a winner from among three candidates, A, B, and C. T ...

Why is a z score a standard score why can standard scores

Why is a z score a standard score? Why can standard scores be used to compare scores from different distributions?

Exposure to medicine x during pregnancy was investigated

Exposure to medicine 'x' during pregnancy was investigated for 108 mothers of children with congenital defects and 108 mothers of normal controls. The researchers examined exposure to medicine 'x' during the first trimes ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro